Tower Cranes Questions with 100% Correct Answers

T or F Very few areas in either the US or Canada require certification to operate a tower crane Correct Answer false T or F Self erecting tower cranes are easier to erect than a conventional tower crane, but erection time takes longer Correct Answer false How does the crane rotate with a fixed tower base? Correct Answer slewing ring beneath the jib T or F A mono type of tower can be either fixed or slewing Correct Answer true What best describes a tower crane saddle jib? Correct Answer rolling trolley and supported by a fixed pendant lines What best describes a tower crane front luffing jib? Correct Answer stationary trolley and jib pivots at front of tower T or F In general, tower cranes are designed to have the same lifting capacity regardless of the jib length and load radius Correct Answer false T or F A tower crane only requires one identification plate. All components are included in that one ID plate Correct Answer false T or F All tower cranes manufactured by a company will have a common manufactuer's manual that is generic to all cranes made by that company Correct Answer false Of the following, who must sign a tower crane log book? Correct Answer operator, service mechanic , supervisor, all of above What is the first step taken before erecting a tower crane? Correct Answer prepare a site plan T or F Because of the typically high operating heights, tower crane operation is not affected by, and is therefore exempt from, power line clearance regulations Correct Answer false What method is often used to level and secure the tower structure being erected inside a building? Correct Answer hardwood wedges